The most common types of dietary supplements used by all age groups were multivitamin-mineral supplements, followed by vitamin D and omega-3 fatty acid supplements.
The use of two, three, and four or more dietary supplements increased with age, while the percentage of adults not using any dietary supplement decreased with age.Dietary supplement use increased with age, overall and in both sexes, and was highest among women aged 60 and over (80.2%).adults aged 20 and over, 57.6% used any dietary supplement in the past 30 days, and use was higher among women (63.8%) than men (50.8%).
Data from the National Health and Nutrition Examination Survey